FRED Smith, the billionaire founder of revolutionary delivery firm FedEx, has died at the age of 80.

FedEx started up in in 1973 delivering small parcels and documents more quickly than the postal service.

Smith oversaw its growth to a behemoth of the industry, relied upon by other companies all over the world.

The business now delivers a staggering 17million parcels every day.

His cause of death is yet to be confirmed.

Smith, worth $5.3billion at his death according to Forbes, was also known for his philanthropy.

He donated millions of dollars to the Marine Corps Scholarship Foundation – after serving for four years in the Marine Corps himself.

Politicians and commercial figures have paid tribute to the legendary businessman.

Tennessee Senator Marsha Blackburn said: “I am deeply saddened by the passing of Fred Smith.

As the creator of FedEx, his visionary leadership and groundbreaking innovations reshaped international trade. He will be celebrated for his unwavering determination, strong sense of patriotism, and dedication to serving others.

“His legacy will endure not only through the company he built but through the countless lives he touched.

“Praying for his wife, children, and family.”